The 47 yer old man was accused of mistreating the woman for a year before he was arrested following a police complaint.
According to the Italian media, the suspect had assaulted his partner at their apartment but yesterday the situation had gone out of control.
The police said that the man had thrown the woman towards the room wall resulting in the woman suffering severe injuries.
Neighbours had telephoned the police after hearing the screams of the woman and the Sri Lankan man was arrested. (Colombo Gazette)